When a Najem Okazjonalny Lease Is Invalid
  • Legal aspects

30.08.2025

When a Najem Okazjonalny Lease Is Invalid

When a Najem Okazjonalny lease in Poland is considered invalid: no notary, no guarantee statement, incorrect data or missing annexes.

When a Najem Okazjonalny lease is invalid

In Poland, Najem Okazjonalny is one of the most reliable lease forms, as it is executed before a notary and comes with mandatory documents, including the guarantee statement. In practice, however, there are situations when such a lease can be deemed invalid. This carries serious legal consequences for both landlord and tenant. Below are the main grounds for invalidity and how to avoid them.

Main grounds for invalidity

  • No notarisation. Without a notary, the contract becomes a standard lease and loses the Najem Okazjonalny advantages.
  • No guarantee. If the tenant fails to provide a relocation address and the owner’s consent, the lease does not have Najem Okazjonalny effects.
  • Incorrect party data. Errors in IDs, PESEL, addresses or other particulars can render the lease invalid.
  • Forged documents. Using a fake guarantee or false data.
  • Missing mandatory annexes. For example, the tenant’s statement (oświadczenie najemcy).
  • Illegality. Attempting to include clauses contrary to the law.

Risks for the landlord

  • Inability to use the fast-track eviction route.
  • Financial losses due to delayed vacation of the premises.
  • Need for lengthy court proceedings.

Risks for the tenant

  • Loss of legal protection in a dispute.
  • Risk of the landlord attempting unlawful penalties.
  • Reduced trust from future landlords.

How to avoid invalidity

  1. Execute the lease before a notary only.
  2. Ensure all annexes are present (guarantee, tenant’s statement, owner’s consent).
  3. Use vetted document templates.
  4. Carefully verify all parties’ personal data.
  5. Consult a lawyer if in doubt.

Examples of contentious scenarios

  • The tenant provided a guarantee with an address, but the dwelling’s owner did not sign consent.
  • The lease contains errors in the tenant’s data (e.g., wrong PESEL).
  • The lease was notarised but lacks the mandatory tenant’s statement.

FAQ

Can missing documents be “added” later?

No. The lease must be executed with a full set of documents from the start; otherwise it is treated as a standard lease.

What if the lease is deemed invalid?

The landlord may propose a new lease, while the tenant can challenge terms in court.

Can I correct errors in the lease?

Only by executing a new notarial deed. Handwritten edits have no legal force.

Conclusion

A Najem Okazjonalny lease is invalid where notarisation, the guarantee or required annexes are missing, or where data are forged. To protect both parties’ interests, prepare documents correctly, verify details and use a notary. Errors or shortcuts can turn a protected Najem Okazjonalny into an ordinary lease without legal advantages.

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